Key to Genera of Scotocryptini of Latin America (modified from Wheeler, 1979 b and Peck, 2003a)

1a Middle tibia wider than hind tibia; apical segment of labial palp with large apical taeniaform seta; stylus of female genitalia flattened, curved, heavily sclerotized; widespread................................................ Creagrophorus

1b Middle tibia not wider than hind tibia; labial palp without taeniaform seta; stylus straight, digitiform................... 2

2a Eyes present; body glabrous or with few scattered very fine setae only, elytra never strigose; antennal club loosely articulated; tarsi very long, thin; usually associated with fungi; widespread.......................................... Aglyptinus

2b Eyes absent or reduced to small unpigmented spots; body usually finely pubescent, or if glabrous then elytra irregularly strigose; antennal club and tarsi compact; usually associated with meliponine bees.................................... 3

3a Elytra irregularly and finely obliquely strigose and with abundant short setae, or smooth and shiny and with dual pubescence; body shape oval or oval oblong.......................................................................... 4

3b Elytra surface appearing finely granular, without fine striae, and with fine cover of very short pubescence, surface shiny to matte; body shape subtriangular.......................................................................... 5

4a Elytra with fine irregular oblique striae, with abundant fine setae only................................... Parabystus

4b Elytra without striae, with both long and short pubescence, some long erect setae; Peru .......................S ynaristus

5a Hind tibia strongly compressed; male pro and meso-basitarsomeres strongly dilated..................... Scotocryptodes

5b Hind tibia subcylindrical; male tarsi not dilated..................................................... Scotocryptus